Anterior Fields Improve Rectal Sparing in Prostate Treatment by Proton Therapy
Byline
S Tang1 *, S Both2 , E Bentefour3 , Z Tochner2 , J Efstathiou1 , H Lu1 , (1) Massachusetts General Hospital, Boston, MA, (2) Univ Pennsylvania, Philadelphia, PA, (3) Ion Beam Applications, Boston, MA